A kind of online ring type shearing device
Technical field
The present invention relates to on-line automatic cut-out material field, specially a kind of online ring type shearing device, the shearing device
It is primarily adapted for use in and cuts off the nonmetallic less material of material hardness online, section has preferable dimensional accuracy and relatively low surface
Roughness, it can apply to the explosion-proof place for having particular/special requirement.
Background technology
At present, the wider mechanical cut-out class device of application, generally using common electric machine as power resources.Using
The cost of common electric machine is relatively low, and design is also more convenient;Security is not high under the working environment for having requirement of explosion proof, generally use
Fire-proof motor is replaced, and antistatic protection, the accumulation of minimizing electrostatic are carried out to electrical equipment.But can so increase manufacture, using and
The cost of maintenance.Although having carried out the measures such as antistatic, the generation of danger can not be avoided completely.For nonmetallic relatively softwood
The cut-out of matter, generally cut off mode using " guillotine type " at present.It is this be structurally characterized in that it is simple and reliable, it is easy to maintenance.But
The shortcomings of section is in " horse-hof shape " when larger cutting-impact power, cut-out simultaneously be present, fracture surface roughness is poor, it is not suitable for online
Cut-out.According to source of the gas as power resources, it is possible to avoid the harm such as electric spark that electrical system may bring.It is many at present
Gas station is had in factory, supply production line can be unified and used, production cost can be reduced while security is met.
The content of the invention
The present invention seeks to solve the problems, such as the cut-out of product during online production, a kind of online ring type is provided for this and is cut
Disconnected device.
The present invention adopts the following technical scheme that realization:A kind of online ring type shearing device, including pedestal, travelling carriage
Dolly, preceding chuck mechanism, rear chuck mechanism, cutter mechanism, movable support bracket and steering mechanism;
Travelling carriage dolly is arranged on pedestal, and travelling carriage dolly is slided by wheel on pedestal, preceding chuck mechanism, rear chuck machine
Structure is arranged on travelling carriage dolly, and preceding chuck mechanism includes being fixed on the first collet support on travelling carriage dolly, and first
Collet support is provided with the first chuck, and the first collet, the tail of the first collet are horizontally installed with the first chuck
End and the upper contact of the first shift fork, are fixed with the first cylinder outside the first chuck, under the piston rod of the first cylinder and the first shift fork
Portion connects, and is hinged in the middle part of the first shift fork on the first collet support;
Chuck mechanism includes the second spring chuck support being fixed on travelling carriage dolly afterwards, and second spring chuck support is provided with
Second chuck, the top of second spring chuck, the tail end of second spring chuck and the second shift fork is horizontally installed with the second chuck
Contact, the second chuck are fixed with the second cylinder outside, and the piston rod of the second cylinder and the second shift fork bottom connect, in the second shift fork
Portion is hinged on second spring chuck support;
Cutter mechanism includes the power transmission shaft being arranged on the second synchronous pulley, and one end of power transmission shaft connects with the first roller gear,
First roller gear and fixed gear engagement, the other end of power transmission shaft connect with second bevel gear, second bevel gear and the first cone
Gear is engaged, and first bevel gear is arranged on the second leading screw, and the nut on the second leading screw is connected with cutting knife;
Steering mechanism includes the second synchronous pulley, the second synchronous pulley be arranged on it is on the first chuck and coaxial with fixed gear,
The first timing belt is connected with two synchronous pulleys, the first timing belt also connects with the 3rd synchronous pulley, the 3rd synchronous pulley and
Two roller gears are coaxially connected, the second roller gear and the engagement of the 3rd roller gear, the 3rd roller gear and the 4th roller gear
Coaxially connected, the 4th roller gear and the first partial gear, the second partial gear form internal messing and external toothing respectively(The
The four roller gears same time only engages with a partial gear, and two partial gears are to be rigidly connected), first is endless
The first output axis connection that all gear and the second partial gear pass through unilateral bearing and decelerator;
Movable support bracket includes the 3rd cylinder that travelling carriage dolly front end is fixed on by support, and being additionally provided with first on the support leads
Post, the piston rod of the 3rd cylinder are further fixed on the 4th cylinder and the 5th with can be connected along the bracket that the first guide pillar slides on bracket
Cylinder, the piston rod of the 4th cylinder tilt upward aligning bracket, the piston rod of the 5th cylinder face bracket straight down, bracket
Front end is additionally provided with travel switch;
It is further fixed on two the first leading screws be arrangeding in parallel on pedestal, the nut on the first leading screw passes through connecting rod and travelling carriage dolly
Connection, the first leading screw end set have the first synchronous pulley, and two first synchronous pulleys are by the second synchronous band connection, wherein together
Walk the second output axis connection of belt wheel and decelerator.
The action process of the present invention is as follows.First, quantity-produced material passes through second spring chuck and the first spring clip
It is first directly to reach the front end of movable support bracket, and trigger travel switch action.First cylinder and the second cylinder are triggered action,
Clamp material.Air motor is started working, and two output shafts of decelerator start to rotate, high speed shaft(Second output shaft)Drive the
One leading screw rotates, and drives travelling carriage dolly to travel forward by screw-nut body, pace and material production speed phase
Match somebody with somebody.Meanwhile decelerator slow-speed shaft(First output shaft)The first partial gear and the second partial gear is driven to rotate clockwise,
4th roller gear is first realized with the first partial gear external toothing and rotated counterclockwise.Cutting knife starts radial feed cut-out material.
After the completion of cutting, the 5th cylinder is completed to fall the action of withdrawal so that cut-off material completely disengages.Then, movable support bracket
Moved forward under the stretching effect of the 3rd cylinder, reach the 4th cylinder stretching after setting stroke and material is released into bracket.At this
During one, the 4th roller gear separates with the first partial gear, is engaged with the second partial gear, the 4th Cylinder Gear rotation
Dynamic direction changes and drives cutter to retreat.Last first cylinder, the second cylinder are withdrawn, and air motor starts to rotate backward, and are slided
Frame dolly retracts original position after starting.So far, an action cycle is completed, and waits the beginning of next action signal.This hair
It is bright can also to manually complete each action according to pneumatic circuit shuttling movement, not only it has been easy to the automatic operating of device but also sharp
In the maintenance of equipment.
The present invention is mainly used to cut off the product that cross section is certain geometrical shape:Such as PVC, the Types of Medicine of tubulose
Deng.The present apparatus is to the online customized cut-off of material on production line;When material touches travel switch contact, dolly is synchronous with material
Motion;Class slider-crank mechanism drives collet to clamp material;The inside and outside engagement of gear makes power transmission shaft rotating, transmission mechanism
Make cutter rotary motion and radially enter to give to retract.After material is removed, clamping device is unclamped, and dolly is retracted, and is prepared next
Loop cycle.The present invention uses pneumatic sequential control mode, while realizes mechanical interlocking;The part of material contact is using anti-quiet
Electric material, crust of the device are stably connected with grounding body;Securely and reliably, suitable for the online customized cut-off of inflammable explosive article.
Brief description of the drawings
Fig. 1 is the 3D solid schematic diagram of the present invention.
Fig. 2 is the main structure diagram of the present invention.
Fig. 3 is the present invention looks up structural representation of the present invention.
Fig. 4 is the left view structural representation of the present invention.
Fig. 5 is the front view of preceding chuck assembly structure.
Fig. 6 is the top view of preceding chuck assembly structure.
Fig. 7 is the 3D solid schematic diagram of steering mechanism.
Fig. 8 is the power of driving cutting knife and the front view of steering mechanism.
Fig. 9 is the power of driving cutting knife and the right view of steering mechanism.
Figure 10 is the pneumatic schematic diagram of the present invention.
In figure:The cylinders of 1- first, the shift forks of 2- first, 3- shift forks nut, 4- second springs chuck, the cylinders of 5- second, 6-
Two shift forks, 7- travelling carriages dolly, 8- pedestals, the leading screws of 9- first, the cylinders of 10- the 3rd, the guide pillars of 11- first, 12- brackets, 13- the 4th
Cylinder, the cylinders of 14- the 5th, 15 first collets, the timing belts of 16- first, 17- guide pin bushings, the guide pillars of 18- second, 19- first are endless
All gear, 20- cutting knifes, 21- wheels, the synchronous pulleys of 22- first, 23- gearbox adapters, the timing belts of 24- second, 25- second are synchronous
Belt wheel, 26 guide pads, 27- shift fork supportings bar, the roller gears of 28- first, 29- nuts, the leading screws of 30- second, 31- first bore tooth
Wheel, 32- second bevel gears, 33- fixed gears, the chucks of 34- first, the roller gears of 35- second, the synchronous pulleys of 36- the 3rd, 37-
3rd roller gear, the partial gears of 38- second, the roller gears of 39- the 4th, 40- locking nuts, 41- sources of the gas, 42- air accumulators,
43- pneumatic triple pieces, 44- overflow valves, 45- the first two four-way list Pneumatic valves, 46- silencers, 47- one-way throttle valves, 48- gas
Dynamic motor, 49- the first two-bit triplet normal off machine controls valve, 50- the second two the 3rd two four-way list Pneumatic valves, 51- four-way list gas
Control valve, 52- the second two-bit triplet normal off machine controls valve, 53- 2/2-way normal off machine controls valve, the two-bit triplet normal off machine controls of 54- the 3rd
The 5th two valve, the 4th two four-way list Pneumatic valve of 55-, the two-bit triplet normal off machine control valves of 56- the 4th, 57- four-way list Pneumatic valve.
Embodiment
The structure of the present apparatus is by pedestal 8, travelling carriage dolly 7, preceding chuck mechanism, rear chuck mechanism, cutter mechanism, mobile support
Frame and steering mechanism and Pneumatic control circuit etc. form.Below by the Types of Medicine cutting-off process to hollow cylinder, this is carried out
Device is discussed in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, pedestal 8 supports whole device, and pedestal 8 is the framework knot being welded using channel-section steel
Structure.Other parts are connected with pedestal by bolted connection.Pedestal carries out good contact by wire with the earth, prevents
The accumulation of electrostatic.For the continuity of process, the structure of travelling carriage dolly 7 is added, travelling carriage dolly 7 passes through 6 wheels
It can be moved forward and backward in impact faces.First leading screw 9 is linked together with travelling carriage dolly by bearing.
Preceding chuck mechanism and rear chuck mechanism clamp material using cylinders providing power driving spring chuck.Pinching action is complete
Cheng Hou, cutter mechanism carries out rotation and material cut-out operation is completed in radial feed action.In preceding chuck mechanism and rear chuck mechanism
Collet axis be in same horizontal line.First cylinder 1 and the second cylinder 5 respectively by hinge and the first shift fork 2 and
Second shift fork 6 is connected.
Described cutter mechanism is made up of the part such as one group of bevel gear, feed screw nut, guide pad.Cutter mechanism passes through bolt
It is connected with synchronous pulley, both rotate simultaneously.The radial motion of cutter is by synchronous pulley by one group of roller gear
Rotary motion pass to the conversion of one group of bevel gear travel direction, then converted rotational motion into by one group of screw-nut body
Radial motion is realized.360 ° of annular cutting ways of cutter can reduce cutting force, improve cut-out surface roughness.
The movable support bracket is realized by the way of cylinder driving to be moved forward and backward on dolly, and in the range of dolly
Both sides extreme position is provided with limited block, ensures repeating motion precision.After completing to cut, material is located above movable support bracket,
Cylinder action is stretched out, and the material cut is kept completely separate with overall.The material cut is pushed out to side by cylinder again
Unloading position.When it is implemented, the 3rd cylinder 10 is fixed on above travelling carriage dolly 7, piston rod passes through spiral shell with Types of Medicine bracket 12
Mother's connection.By the guiding of the first guide pillar 11, Types of Medicine bracket 12 can be in the presence of the 3rd cylinder 10, on travelling carriage dolly
Face moves forward and backward.5th cylinder 14 plays a part of dnockout.Push pedal is connected with the piston rod of 4th cylinder 13, in the 5th cylinder
After the completion of 14 actions, push pedal releases Types of Medicine from movable support bracket.
Described steering mechanism is made up of one group of gear, axle, unilateral bearing.In order to realize synchronous and interlocking, in of the invention
The movement of travelling carriage dolly and the cutting of cutter are driven by an air motor.Cutter enters action edge input by timing belt, passes through
The rotation direction for changing timing belt realizes entering to give and exiting for cutter.Air motor is available two by double output shaft decelerator
The line shaft of different rotating speeds.First partial gear 19 and the second partial gear 38 pass through unidirectional with the slow-speed shaft in decelerator
Bearing connects, and is to be rigidly connected between two gears.Two partial gears are imparted power to when slow-speed shaft rotates clockwise;Instead
It, unilateral bearing is by no-load running when rotating counterclockwise.The cooperation of roller gear 39 and two partial gears is nibbled in being respectively
Conjunction and external toothing.When two partial gears rotate, roller gear 39 is by the conversion with external toothing in two partial gears
Realize the change of rotation direction.Then, synchronous pulley 36 is transferred power to by gear, you can realize that the direction of timing belt turns
Change.
In addition, guide pin bushing 17 is bolted with pedestal, the second guide pillar 18 is connected with travelling carriage.When travelling carriage dolly moves
When, the guide pillar 18 of guide pin bushing 17 and second, which coordinates, plays a part of guiding.
The left view of the present apparatus is illustrated in figure 4, can be seen that power transmission process in this view.Steering mechanism passes through change
Fast device seat 23 is bolted to above travelling carriage dolly, the second timing belt 24 and the first synchronous pulley of travelling carriage dolly both sides
22 form V belt translation, and the first synchronous pulley 22 is connected with the first leading screw 9, and feed screw nut driving travelling carriage dolly 7 is movable, the
Three synchronous pulleys 36 and the second synchronous pulley 25 form V belt translation by the first timing belt 16.
As shown in figure 5, cutter mechanism and the second synchronous pulley 25 pass through one group of bolt connection.Wherein the center line of cutting knife with
The axis of first collet 15 intersects vertically.Guide pad 26 plays a part of guiding when cutting knife is fed.
Fig. 6 is the top view of preceding chuck mechanism, and the second synchronous pulley 25 is connected to the first collet by the first chuck 34
On support, and prevent from loosening by two locking nuts 40.First collet 15 is presented Y-shaped with chuck 34 and coordinated, when two
When person has moving axially relative, the front end radial dimension of the first collet 15 is decreased or increased, and reaches clamping with this and unclamps
The purpose of Types of Medicine.The rear end of first collet 15 is connected through a screw thread with shift fork nut 3.The lower section of first shift fork 2 and the first gas
The piston rod of cylinder 1 is connected, and top is connected with bearing, and bearing and the first collet 15 are linear contact lay, and not solid between the two
It is connected among fixed and the first shift fork 2 by shift fork supporting bar 27, hinge with chuck pedestal, forms class slider-crank mechanism.The
When the piston rod of one cylinder 1 shrinks, the first shift fork 2 drives the first collet 15 to be moved rearwards equivalent to lever, thus can be with
Clamp Types of Medicine.First roller gear 28 and fixed gear 33 form one group of gear drive, and fixed gear does not rotate itself.When
When second synchronous pulley 25 rotates, the first roller gear 28 does planetary motion around fixed gear 33, and the is driven by power transmission shaft
Two bevel gears 32 rotate.First bevel gear 31 and second bevel gear 32 form bevel gear transmission.First bevel gear 31 and
Two leading screws 30 are connected by key.Second leading screw 30 forms screw-nut body, while nut 29 and the phase of guide pad 26 with nut 29
Even, guide pad 26 is connected by bolt with cutting knife 20.So the planetary motion of the first roller gear 28 can be converted to cutting knife 20
Radial feed motion.
As shown in Figure 8, Figure 9, the first partial gear 19 and the second partial gear 38 pass through unilateral bearing and decelerator
Slow-speed shaft be connected.4th roller gear 39 forms internal messing and external toothing with two partial gears respectively.It should be noted
It is that can only be engaged in the same roller gear 39 of time the 4th with one of gear.Two partial gears turn simultaneously, in the same direction
Dynamic, when the 4th roller gear 39 carries out the transformation of interior external toothing, can realizes the change of rotation direction.4th roller gear
39 pass through gear train(Second roller gear 37, the 3rd roller gear 35)The 3rd synchronous pulley 36 is imparted power to, then is passed through
V belt translation passes to the second synchronous pulley 25, the second roller gear 37, the 3rd roller gear 35, the 3rd synchronous pulley 36 the 4th circle
Stud wheel 39, partial gear are arranged on gearbox adapter 23.
The state that overall pneumatic circuit starts is:First cylinder 1 and the second cylinder 5 are in stretching state;3rd cylinder 10,
4th cylinder 13, the 5th cylinder 14 are in contraction state.Control system relies primarily on mechanically controlled valve and pneumatic circuit realize it is suitable
Sequence controls, and pneumatic schematic diagram is as shown in Figure 10, and first, the hollow cylinder Types of Medicine extruded in preceding processes by screw extruder pass through
First collet 15 and second spring chuck 4 reach the front end of Types of Medicine bracket always, and trigger 2/2-way normal off machine control
Valve 53 is converted to right position work.The second two left ends of four-way list Pneumatic valve 50 obtain air pressure signal, switch to left position work, control the
One cylinder 1 and the piston rod of the second cylinder 5, which shrink, clamps Types of Medicine.First two-bit triplet normal off machine control valve 49 is in the first cylinder 1 and
It is triggered in the contraction process of two cylinder 5, is converted to on-state.First two-bit triplet normal off machine control valve 49 control the first two four
Lead to single Pneumatic valve 45 and switch to right position work, air motor 48 rotates backward.Air motor 48 will be dynamic by double output shaft decelerator
Power passes to steering mechanism and cutter mechanism, completes the customized cut-off operation of Types of Medicine.During travelling carriage dolly moves forward
The buting iron being fixed thereon triggers the second two-bit triplet normal off machine control valve 52, the 3rd two-bit triplet normal off machine control valve 54 successively, touches
The time of hair is controlled by the length of buting iron.When the second two-bit triplet normal off machine control valve 52 being placed in into Types of Medicine cut-out completion by debugging
Travelling carriage dolly present position.After Types of Medicine cut-out, the second two-bit triplet normal off machine control valve 52 is triggered by buting iron, under the 5th cylinder 14
Fall and be kept completely separate the Types of Medicine of cut-out.After the completion of Types of Medicine separation, the 3rd two-bit triplet normal off machine control valve 54 is triggered, the 4th two
Four-way list Pneumatic valve 55 is converted to right position work, and the piston rod of the 3rd cylinder 10 stretches out.The Types of Medicine cut off above Types of Medicine bracket
Driven by the 3rd cylinder 10, move a segment distance in the axial direction.4th two-bit triplet normal off machine control valve 56 is in 10, the 3rd cylinder
It is triggered in left end maximum stroke, the 5th two four-way list Pneumatic valve 57 is converted to left position work.The piston rod of 4th cylinder 13
Stretch out, Types of Medicine finished product is released into Types of Medicine bracket.Now, 2/2-way normal off machine control valve 53 is by spring reset;First cylinder 1 and
Two cylinders 5 unclamp, and the first two-bit triplet normal off machine control valve 49 resets;Air motor 48 is inverted, and travelling carriage dolly is retracted.So far one
Secondary cut-out operation is completed, and single unit system, which resets, waits next loop cycle.